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To date, no effective treatment has been identified.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Recent Advances:<\/jats:title>\n                    <jats:p>\n                      Previous research has focused on the role of innate immune cells in I\/R injury. In recent years, increasing evidence has accumulated for an important role for adaptive immune cells, particularly T lymphocytes. Data from ST elevation MI patients have identified prognostic significance for lymphocyte counts, particularly postreperfusion lymphopenia. Dynamic changes in circulating CD4\n                      <jats:sup>+<\/jats:sup>\n                      T cell subsets occurring early after reperfusion are associated with development of I\/R injury in the form of microvascular obstruction. Transcoronary gradients in cell counts suggest sequestration of these cells into the reperfused myocardium. These findings support existing data from mouse models indicating a role for CD4\n                      <jats:sup>+<\/jats:sup>\n                      T cells in I\/R injury. It is clear, however, the effects of lymphocytes in the ischemic myocardium are time and subset specific, with some having protective effects, while others are pathogenic.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Critical Issues:<\/jats:title>\n                    <jats:p>An understanding of the cellular events that lead to accumulation of lymphocytes in the myocardium, and their actions once there, is key to manipulating this process. Chemokines produced in response to ischemia and cellular injury have an important role, while lymphocyte-derived cytokines are critical in the balance between inflammation and healing.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Future Directions:<\/jats:title>\n                    <jats:p>\n                      Further research into the involvement of lymphocytes in myocardial I\/R injury may allow development of targeted therapies, opening a new avenue of considerable therapeutic potential.\n                      <jats:italic toggle=\"yes\">Antioxid. Redox Signal.<\/jats:italic>\n                      26, 660\u2013675.\n                    <\/jats:p>\n                  <\/jats:sec>","DOI":"10.1089\/ars.2016.6940","type":"journal-article","created":{"date-parts":[[2016,12,23]],"date-time":"2016-12-23T06:35:34Z","timestamp":1482474934000},"page":"660-675","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":63,"title":["Lymphocyte Communication in Myocardial Ischemia\/Reperfusion Injury"],"prefix":"10.1177","volume":"26","author":[{"given":"Stephen E.","family":"Boag","sequence":"first","affiliation":[{"name":"Newcastle University","place":["United Kingdom"]},{"name":"Regional Department of Clinical Immunology, Royal Victoria Infirmary, Newcastle upon Tyne, United Kingdom."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Emanuele","family":"Andreano","sequence":"additional","affiliation":[{"name":"Newcastle University","place":["United Kingdom"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ioakim","family":"Spyridopoulos","sequence":"additional","affiliation":[{"name":"Newcastle University","place":["United Kingdom"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2017,4,20]]},"reference":[{"key":"e_1_3_2_2_2","doi-asserted-by":"publisher","DOI":"10.1038\/383787a0"},{"key":"e_1_3_2_3_2","doi-asserted-by":"publisher","DOI":"10.1161\/01.CIR.0000133316.92316.81"},{"key":"e_1_3_2_4_2","doi-asserted-by":"publisher","DOI":"10.1136\/hrt.2007.115329"},{"key":"e_1_3_2_5_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.cjca.2014.05.010"},{"key":"e_1_3_2_6_2","doi-asserted-by":"publisher","DOI":"10.1001\/jama.297.1.43"},{"key":"e_1_3_2_7_2","doi-asserted-by":"publisher","DOI":"10.1124\/pr.113.007724"},{"key":"e_1_3_2_8_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.ijcard.2011.08.849"},{"key":"e_1_3_2_9_2","doi-asserted-by":"publisher","DOI":"10.1172\/JCI80055"},{"key":"e_1_3_2_10_2","first-page":"1109","article-title":"Post-reperfusion lymphopenia and microvascular obstruction in ST-segment elevation acute myocardial infarction","volume":"62","author":"Bodi V","year":"2009","unstructured":"Bodi V, , Sanchis J, , Nunez J, , Rumiza E, , Mainar L, , Lopez-Lereu MP, , Monmeneu JV, , Oltra R, , Forteza MJ, , Chorro FJ, , and Llacer A. 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